WAG of Jerome Boateng's tragic ex hinted that Kasia Lenhardt was driven to her death by cyber bullies.The model was found dead in her Berlin apartment just a week after splitting from World Cup winner Boateng.Now Cathy Hummels, the wife of Boateng's Germany teammate Mats, posted a touching online tribute to Kasia, 25, where she talked about the "brutal football world" along with "hate, body-shaming and cyber-bullying".Cathy wrote: "I am shocked and really sad. How desperate must she have been."I also had the thought in the past that I no longer want to live.